Model reference

Samsung DMT300RFS/XAA

Name: Samsung DMT300RFS/XAA
Brand: Samsung

Dishwasher

4 documents19 error codes13 service modes

Available documentation

Tech Sheet

Fast Track Troubleshooting6 pg
Covers this model

Service Manual

SERVICE MANUAL DISHWASHER Model DMT30057 pg
Covers this model
Dishwasher Service Manual57 pg
Covers this model

Quick Reference

Fast Track Troubleshooting6 pg
Covers this model

MyPros+ Max

Diagnose your Samsung DMT300RFS/XAA.

Step-by-step diagnostics from the service manual
Test values, resistance specs, and wiring references
Verified part numbers when replacement is needed

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Error codes (19)

CodeMeaning

4EWater supply error 4E (High temp water)High temp water error 4E2High temperature water supply error 5EDrain error bEButton error dEDoor open warning dODoor open warning HEHeater error HE (Heater)Heater error HE (High Temp Heating)High temperature heating error LCLeakage error LELow-level water error LE (Leakage)Leakage error OEOver-level water error tETemp Sensor error tE (High temp)High temp error tE2High temperature heating error WEWater supply error WE (High Temp)High temperature water supply error

Service modes (13)

Service Inspection ModePress the 'Heavy' + 'Delicate' + 'Power' buttons at the same time for two seconds
Service Inspection Mode No.1 - Water Supply TestEnter Service Inspection Mode, then navigate to Mode No.1 using Normal button
Service Inspection Mode No.2 - Circulation Motor TestEnter Service Inspection Mode, navigate to Mode No.2 using Normal button
Service Inspection Mode No.3 - Heater and Circulation Motor TestEnter Service Inspection Mode, then press Normal button until 'Delicate' + 'Quick' LED is displayed.
Service Inspection Mode No.3 - Heater/Thermistor TestEnter Service Inspection Mode, navigate to Mode No.3 using Normal button
Service Inspection Mode No.4 - Fan Motor and Dispenser TestEnter Service Inspection Mode, then press Normal button until 'Heavy' + 'Quick' LED is displayed.
Service Inspection Mode No.4 - Fan Motor/Dispenser TestEnter Service Inspection Mode, navigate to Mode No.4 using Normal button
Service Inspection Mode No.5 - Overflow Sensor TestEnter Service Inspection Mode, navigate to Mode No.5 using Normal button
Service Inspection Mode No.6 - Drain Pump TestEnter Service Inspection Mode, navigate to Mode No.6 using Normal button
Service Inspection Mode No.6 - Drain Pump/Low Level Sensor TestEnter Service Inspection Mode, press Normal button until 'Heavy' + 'Delicate' + 'Quick' LED is…
Service Inspection Mode No.7 - Individual Component ActivationEnter Service Inspection Mode, navigate to Mode No.7 using Normal button
Service Inspection Mode No.7 - Individual Component OperationEnter Service Inspection Mode, press Normal button until 'Normal' + 'Quick' LED is displayed.
Service Inspection Mode No.7 - Individual Component TestEnter Service Inspection Mode, then press Normal button until 'Normal' + 'Quick' LED is displayed.

Full entry steps, exit procedures, and test sequences are available in Max.

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